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Discussion Starter · #1 · (Edited)
A while back searching ebay for genuine TL52 pistons I came across these various 44mm chainsaw pistons which are flat-topped, boosted, single or have thin rings. They look to have 10mm pins and some appear to have 12mm.

I guess PBU sold these pistons with their Headstrong and Yellowjacket head kits.

http://www.ebay.com/itm/NWP-Stihl-0...513?pt=LH_DefaultDomain_0&hash=item19d83f3961

http://www.ebay.com/itm/PISTON-AND-...219?pt=LH_DefaultDomain_0&hash=item1e6bcae64b

The ring gap on this model runs in the center of the intake side.
http://www.ebay.com/itm/HUSQVARNA-3...371?pt=LH_DefaultDomain_0&hash=item35c1633e3b

http://www.ebay.com/itm/Husqvarna-2...804?pt=LH_DefaultDomain_0&hash=item20ced7c98c

http://www.ebay.com/itm/PISTON-RING...728?pt=LH_DefaultDomain_0&hash=item2326679828

http://www.ebay.com/itm/Piston-Kit-...852?pt=LH_DefaultDomain_0&hash=item4abb487124

Or you can look through here: http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=44mm+piston&_sop=15

 

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I like the one ring Husqvarna 44mm piston that looks like a C1 piston. might try one of them in my F1, Cag 49cc, 44mm 4 port Cyld with my new billet engine cases, but my FC crank is 12mm. I am modding a one ring Z1 40mm piston for my 40mm ADA cyld and alloy head engine.
 

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Discussion Starter · #3 · (Edited)
I like the one ring Husqvarna 44mm piston that looks like a C1 piston. might try one of them in my F1, Cag 49cc, 44mm 4 port Cyld with my new billet engine cases, but my FC crank is 12mm. I am modding a one ring Z1 40mm piston for my 40mm ADA cyld and alloy head engine.
There's a lot to choose from, but the one ring pistons look thick and this one appears to have 2 thin rings.
http://www.ebay.com/itm/PISTON-RING...728?pt=LH_DefaultDomain_0&hash=item2326679828

I'd probably try this one.
http://www.ebay.com/itm/NWP-Stihl-0...513?pt=LH_DefaultDomain_0&hash=item19d83f3961
 

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Git R Dun PBracer
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Does PBU still sale those kits?

What kind of pb are you working on?
 

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I e-mailed sawagain1 on the solid 1 ring pistons, they have a 10mm pin and both my cranks are 12mm, but I would use a 10mm FC crank and the one ring 44mm piston. It looks the best quailty of all the ones you posted. I could get one and use a 10mm modded stock Cag crank also.
 
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